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54LS169DMQB View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
54LS169DMQB Synchronous 4-Bit Up/Down Binary Counter Fairchild
Fairchild Semiconductor Fairchild
54LS169DMQB Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Absolute Maximum Ratings (Note 1)
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
DM54LS and 54LS
DM74LS
Storage Temperature Range
−55˚C to +125˚C
0˚C to +70˚C
−65˚C to +150˚C
Recommended Operating Conditions
Symbol
Parameter
DM54LS169A
DM74LS169A
Units
Min Nom
Max
Min
Nom
Max
VCC
Supply Voltage
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IOH
High Level Output Current
IOL
Low Level Output Current
fCLK
Clock Frequency (Note 2)
Clock Frequency (Note 3)
4.5
5
5.5
4.75
5
5.25
V
2
2
V
0.7
0.8
V
−0.4
−0.4
mA
4
8
mA
0
25
0
25
MHz
0
20
0
20
MHz
tW
Clock Pulse Width (Note 4)
25
25
ns
tSU
Setup Time
Data
20
20
(Note 4)
Enable
20
20
T or P
ns
Load
25
25
U/D
30
30
tH
Hold Time (Note 4)
0
0
ns
TA
Free Air Operating Temperature
−55
125
0
70
˚C
Note 1: The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these
limits. The parametric values defined in the “Electrical Characteristics” table are not guaranteed at the absolute maximum ratings. The “Recommended Operating
Conditions” table will define the conditions for actual device operation.
Note 2: CL = 15 pF, RL = 2 k, TA = 25˚C and VCC = 5V.
Note 3: CL = 50 pF, RL = 2 k, TA = 25˚C and VCC = 5V.
Note 4: TA = 25˚C and VCC = 5V.
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
(Note 5)
VI
Input Clamp Voltage
VCC = Min, II = −18 mA
−1.5
VOH
High Level Output
VCC = Min, IOH = Max
DM54
2.5
3.4
Voltage
VIL = Max, VIH = Min
DM74
2.7
3.4
VOL
Low Level Output
VCC = Min, IOL = Max
DM54
0.25
0.4
Voltage
VIL = Max, VIH = Min
DM74
0.35
0.5
IOL = 4 mA, VCC = Min
DM74
0.25
0.4
II
Input Current @ Max
VCC = Max
Enable T
0.2
Input Voltage
VI = 7V
Others
0.1
IIH
High Level Input
VCC = Max
Enable T
40
Current
VI = 2.7V
Others
20
IIL
Low Level Input
VCC = Max
Enable T
−0.8
Current
VI = 0.4V
Others
−0.4
IOS
Short Circuit
VCC = Max
DM54
−20
−100
Output Current
(Note 6)
DM74
−20
−100
ICC
Supply Current
VCC = Max(Note 7)
20
34
Note 5: All typicals are at VCC = 5V and TA = 25˚C.
Note 6: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 7: ICC is measured after a momentary 4.5V, then ground, is applied to the CLOCK with all other inputs grounded and all the outputs open.
www.fairchildsemi.com
2
Units
V
V
V
mA
µA
mA
mA
mA
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